<script> let lessons = []; // Populate lesson grid for (let i = 1; i <= 113; i++) lessons.push( id: i, title: `Lesson $i`, selected: false ); function renderLessonGrid() const grid = document.getElementById('lessonGrid'); grid.innerHTML = lessons.map(lesson => ` <label class="lesson-checkbox"> <input type="checkbox" value="$lesson.id" onchange="toggleLesson($lesson.id, this.checked)" $lesson.selected ? 'checked' : ''> <span>$lesson.title</span> </label> `).join(''); function toggleLesson(id, checked) const lesson = lessons.find(l => l.id === id); if (lesson) lesson.selected = checked; function selectAll() lessons.forEach(lesson => lesson.selected = true); renderLessonGrid(); function clearSelection() lessons.forEach(lesson => lesson.selected = false); renderLessonGrid(); function selectFirstHalf() lessons.forEach(lesson => lesson.selected = lesson.id <= 56); renderLessonGrid(); function selectSecondHalf() lessons.forEach(lesson => lesson.selected = lesson.id >= 57); renderLessonGrid(); function getSelectedLessons() return lessons.filter(l => l.selected).map(l => l.id); function showStatus(message, type = 'success') const statusDiv = document.getElementById('status'); statusDiv.textContent = message; statusDiv.className = `status $type`; statusDiv.style.display = 'block'; setTimeout(() => statusDiv.style.display = 'none'; , 5000); async function downloadRange() start < 1 async function downloadSelected() const selected = getSelectedLessons(); if (selected.length === 0) showStatus('Please select at least one lesson', 'error'); return; const progressBar = document.getElementById('progressBar'); const progressFill = document.getElementById('progressFill'); progressBar.style.display = 'block'; try const response = await fetch('/api/download', method: 'POST', headers: 'Content-Type': 'application/json', body: JSON.stringify(lesson_range: selected) ); const result = await response.json(); if (result.success) showStatus(`Successfully downloaded $result.downloaded audio files!`); else showStatus('Download failed', 'error'); catch (error) showStatus('Network error: ' + error.message, 'error'); finally progressBar.style.display = 'none'; progressFill.style.width = '0%'; async function downloadAsZip() const selected = getSelectedLessons(); if (selected.length === 0) showStatus('Please select at least one lesson', 'error'); return; showStatus('Creating ZIP archive...', 'success'); try const response = await fetch('/api/download-zip', method: 'POST', headers: 'Content-Type': 'application/json', body: JSON.stringify(lessons: selected) ); const blob = await response.blob(); const url = window.URL.createObjectURL(blob); const a = document.createElement('a'); a.href = url; a.download = `assimil_german_lessons_$selected[0]-$selected[selected.length-1].zip`; document.body.appendChild(a); a.click(); document.body.removeChild(a); window.URL.revokeObjectURL(url); showStatus(`ZIP archive created with $selected.length lessons!`); catch (error) showStatus('Failed to create ZIP: ' + error.message, 'error'); // Initialize renderLessonGrid(); </script> </body> </html> // lesson_manifest.json
<div class="content"> <div class="download-options"> <div class="option-card"> <h3>📚 Download by Range</h3> <div class="range-selector"> <input type="number" id="startLesson" placeholder="Start" min="1" max="113"> <input type="number" id="endLesson" placeholder="End" min="1" max="113"> </div> <button class="btn" onclick="downloadRange()">Download Range</button> </div> <div class="option-card"> <h3>🎯 Quick Presets</h3> <button class="btn" onclick="selectAll()" style="margin:5px">All Lessons</button> <button class="btn" onclick="selectFirstHalf()" style="margin:5px">Lessons 1-56</button> <button class="btn" onclick="selectSecondHalf()" style="margin:5px">Lessons 57-113</button> </div> </div> <h3>📖 Select Individual Lessons:</h3> <div class="lesson-grid" id="lessonGrid"> <!-- JavaScript will populate this --> </div> <div style="display: flex; gap: 10px; margin-top: 20px;"> <button class="btn" onclick="downloadSelected()">⬇️ Download Selected</button> <button class="btn" onclick="downloadAsZip()">📦 Download as ZIP</button> <button class="btn" onclick="selectAll()">✓ Select All</button> <button class="btn" onclick="clearSelection()">✗ Clear All</button> </div> <div class="progress-bar" id="progressBar" style="display:none"> <div class="progress-fill" id="progressFill">0%</div> </div> <div class="status" id="status"></div> </div> </div>
def __init__(self, output_dir: str = "./assimil_audio"): self.output_dir = Path(output_dir) self.output_dir.mkdir(exist_ok=True) self.session = requests.Session() self.session.headers.update( 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36' ) def load_lesson_data(self, json_file: str) -> Dict: """Load lesson metadata from JSON configuration""" with open(json_file, 'r', encoding='utf-8') as f: return json.load(f) Assimil German With Ease Audio Download
"course": "Assimil German With Ease", "total_lessons": 113, "audio_format": "mp3", "tracks": [ "lesson": 1, "title": "Guten Tag!", "filename": "lesson_001.mp3", "url": "https://example.com/assimil/german/lesson_001.mp3", "duration_seconds": 185 // ... continue for all 113 lessons ], "metadata": "author": "Assimil", "language": "German", "level": "Beginner to Intermediate", "total_duration_hours": 8.5
# cli.py import argparse import sys def main(): parser = argparse.ArgumentParser(description='Download Assimil German audio') parser.add_argument('--start', type=int, help='Start lesson number') parser.add_argument('--end', type=int, help='End lesson number') parser.add_argument('--all', action='store_true', help='Download all lessons') parser.add_argument('--output', default='./audio', help='Output directory') parser.add_argument('--quality', choices=['low', 'high'], default='high') <script> let lessons = []; // Populate lesson
@app.route('/api/lessons', methods=['GET']) def get_lessons(): """Get list of available lessons""" lessons = [ 'id': i, 'title': f'Lesson i', 'duration': '~3 min' for i in range(1, 114) # Assimil German has 113 lessons ] return jsonify(lessons)
results = downloader.download_lesson_range( start_lesson=min(lesson_range), end_lesson=max(lesson_range), base_url_template=base_url ) let lessons = []
if args.all: print("Downloading all 113 lessons...") results = downloader.download_lesson_range(1, 113, "https://cdn.assimil.com/german/lesson_{}.mp3") elif args.start and args.end: results = downloader.download_lesson_range(args.start, args.end, "https://cdn.assimil.com/german/lesson_{}.mp3") else: parser.print_help() sys.exit(1)
